A witch.
A spell (now rare but still found in compounds such as hex sign and hexcraft).
A hexagonal space on a game board.
An evil spell or curse.
a hexagon-shaped item of rock climbing equipment intended to be wedged into a crack or other opening in the rock.
To cast a spell on (specifically an evil spell), to bewitch.
The art of a wizard; sorcery.
Something, such as an advanced technology, that gives the appearance of magic.
Great ability in some specified field.